21722204

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11579}}^1$

素因数の和:11657

約数の個数: 24

約数和(自身を含む): 44096640

約数和(自身を除く): 22374436

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11579, 23158, 46316, 81053, 162106, 324212, 775793, 1551586, 3103172, 5430551, 10861102, 21722204]

約数ペア:

[(1, 21722204), (2, 10861102), (4, 5430551), (7, 3103172), (14, 1551586), (28, 775793), (67, 324212), (134, 162106), (268, 81053), (469, 46316), (938, 23158), (1876, 11579)]